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We can simplify the join list handling leveraging the mptcp_release_cb(): if we can acquire the msk socket lock at mptcp_finish_join time, move the new subflow directly into the conn_list, otherwise place it on join_list and let the release_cb process such list. Since pending MPJ connection are now always processed in a timely way, we can avoid flushing the join list every time we have to process all the current subflows. Additionally we can now use the mptcp data lock to protect the join_list, removing the additional spin lock. Finally, the MPJ handshake is now always finalized under the msk socket lock, we can drop the additional synchronization between mptcp_finish_join() and mptcp_close(). Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.